Damper Properties
Damper Purpose
Material Type
Frame Depth
Blade Style
Blade Action
Blade Depth
Temperature Rating
Air Performance Stats
Air Velocity (fpm)

Static Pressure (in. w.g.)

Pressure Drop (in. w.g. @ 1000 fpm)
Min:
Max:
Damper Sizing
Max Single Panel Size
Min:
Max:
RESET
Model: BDAR-389
Damper Type: Backdraft - Round
Material: Aluminum
Blade Type: Single Thickness -Single Action
Model: BDAS-225
Damper Type: Backdraft - Backdraft
Material: Aluminum
Blade Type: Single Thickness -Parallel Action
Model: BDAS-335
Damper Type: Backdraft - Backdraft
Material: Aluminum
Blade Type: Single Thickness -Parallel Action
Model: BDAS-500
Damper Type: Backdraft - Backdraft
Material: Aluminum
Blade Type: Single Thickness -Parallel Action
Model: BDAS-655
Damper Type: Backdraft - Backdraft
Material: Aluminum
Blade Type: Single Thickness -Parallel Action
Model: BDAT-850
Damper Type: Backdraft - Backdraft
Material: Aluminum
Blade Type: Tear-drop -Parallel Action
Model: BDGR-388
Damper Type: Backdraft - Round
Material: Galvanized Steel
Blade Type: Single Thickness -Single Action
Model: BDGS-366
Damper Type: Backdraft - Backdraft
Material: Galvanized Steel
Blade Type: Single Thickness -Parallel Action
Model: BDGT-400
Damper Type: Backdraft - Backdraft
Material: Galvanized Steel
Blade Type: Tear-drop -Parallel Action
Model: BDGT-900
Damper Type: Backdraft - Backdraft
Material: Galvanized Steel
Blade Type: Tear-drop -Parallel Action
Model: BDSR-390
Damper Type: Backdraft - Round
Material: Stainless Steel
Blade Type: Single Thickness -Single Action
Model: BDSS-503
Damper Type: Backdraft - Backdraft
Material: Stainless Steel
Blade Type: Single Thickness -Parallel Action
Model: BGS-150
Damper Type: Balancing - Steel
Material: Galvanized Steel
Blade Type: Single Thickness -Single Action
Model: IFR-580
Damper Type: Industrial - Round
Material: Fabricated Steel
Blade Type: Single Thickness -Single Action
Model: IFR-581
Damper Type: Industrial - Round
Material: Fabricated Steel
Blade Type: Single Thickness -Single Action
Model: IFS-580
Damper Type: Industrial - Backdraft
Material: Fabricated Steel
Blade Type: Single Thickness -Single Action
Model: IGA-300
Damper Type: Industrial - Industrial
Material: Galvanized Steel
Blade Type: Airfoil -Parallel / Opposed Action
Model: IGA-530
Damper Type: Industrial - Industrial
Material: Galvanized Steel
Blade Type: Airfoil -Parallel / Opposed Action
Model: IGA-531
Damper Type: Industrial - Industrial
Material: Galvanized Steel
Blade Type: Airfoil -Parallel / Opposed Action
Model: IGA-540
Damper Type: Industrial - Industrial
Material: Galvanized Steel
Blade Type: Airfoil -Parallel / Opposed Action
Model: IGA-545
Damper Type: Industrial - Industrial
Material: Galvanized Steel
Blade Type: Airfoil -Parallel / Opposed Action
Model: IGS-303
Damper Type: Industrial - Industrial
Material: Galvanized Steel
Blade Type: Single Thickness -Parallel / Opposed Action
Model: IGS-304
Damper Type: Industrial - Industrial
Material: Galvanized Steel
Blade Type: Single Thickness -Parallel / Opposed Action
Model: IGS-421
Damper Type: Industrial - Industrial
Material: Galvanized Steel
Blade Type: Single Thickness -Parallel / Opposed Action
Model: IGS-422
Damper Type: Industrial - Industrial
Material: Galvanized Steel
Blade Type: Single Thickness -Parallel / Opposed Action
Model: IGS-423
Damper Type: Industrial - Industrial
Material: Galvanized Steel
Blade Type: Single Thickness -Parallel / Opposed Action
Model: VAA-20
Damper Type: Volume Control - Aluminum
Material: Aluminum
Blade Type: Airfoil -Parallel / Opposed Action
Model: VAA-506
Damper Type: Volume Control - Aluminum
Material: Aluminum
Blade Type: Single Thickness -Parallel / Opposed Action
Model: VAI-24
Damper Type: Volume Control - Aluminum
Material: Aluminum
Blade Type: Insulated Airfoil -Parallel / Opposed Action
Model: VAI-24I
Damper Type: Volume Control - Aluminum
Material: Aluminum
Blade Type: Insulated Airfoil -Parallel / Opposed Action
Model: VAI-24LT
Damper Type: Volume Control - Aluminum
Material: Aluminum
Blade Type: Insulated Airfoil -Parallel / Opposed Action
Model: VAI-25
Damper Type: Volume Control - Aluminum
Material: Aluminum
Blade Type: Insulated Airfoil -Parallel / Opposed Action
Model: VAI-25I
Damper Type: Volume Control - Aluminum
Material: Aluminum
Blade Type: Insulated Airfoil -Parallel / Opposed Action
Model: VAI-25LT
Damper Type: Volume Control - Aluminum
Material: Aluminum
Blade Type: Insulated Airfoil -Parallel / Opposed Action
Model: VAR-56
Damper Type: Volume Control - Round
Material: Aluminum
Blade Type: Airfoil -Parallel / Opposed Action
Model: VAR-75
Damper Type: Volume Control - Round
Material: Aluminum
Blade Type: Single Thickness -Single Action
Model: VAR-85
Damper Type: Volume Control - Round
Material: Aluminum
Blade Type: Pin-Lock -Parallel / Opposed Action
Model: VAS-206
Damper Type: Volume Control - Aluminum
Material: Aluminum
Blade Type: Airfoil -Parallel / Opposed Action
Model: VAS-28
Damper Type: Volume Control - Aluminum
Material: Aluminum
Blade Type: Single Thickness -Single Action
Model: VGA-515/VGA-516
Damper Type: Volume Control - Steel
Material: Galvanized Steel
Blade Type: Airfoil -Parallel / Opposed Action
Model: VGA-517/VGA-518
Damper Type: Volume Control - Steel
Material: Galvanized Steel
Blade Type: Airfoil -Parallel / Opposed Action
Model: VGI-20
Damper Type: Volume Control - Steel
Material: Galvanized Steel
Blade Type: Insulated -Parallel Action
Model: VGR-200
Damper Type: Volume Control - Round
Material: Galvanized Steel
Blade Type: Single Thickness -Single Action
Model: VGR-250
Damper Type: Volume Control - Round
Material: Galvanized Steel
Blade Type: Single Thickness -Single Action
Model: VGR-260
Damper Type: Volume Control - Round
Material: Galvanized Steel
Blade Type: Single Thickness -Single Action
Model: VGR-70
Damper Type: Volume Control - Round
Material: Galvanized Steel
Blade Type: Single Thickness -Single Action
Model: VGR-70GL
Damper Type: Volume Control - Round
Material: Galvanized Steel
Blade Type: Single Thickness -Single Action
Model: VGR-70R
Damper Type: Volume Control - Round
Material: Galvanized Steel
Blade Type: Single Thickness -Single Action
Model: VGS-395
Damper Type: Volume Control - Steel
Material: Galvanized Steel
Blade Type: Single Thickness -Parallel / Opposed Action
Model: VGS-495/VGS-496
Damper Type: Volume Control - Steel
Material: Galvanized Steel
Blade Type: Single Thickness -Parallel / Opposed Action
Model: VGS-60/VGS-61
Damper Type: Volume Control - Steel
Material: Galvanized Steel
Blade Type: Single Thickness -Parallel / Opposed Action
Model: VGS-70
Damper Type: Volume Control - Steel
Material: Galvanized Steel
Blade Type: Single Thickness -Parallel / Opposed Action
Model: VSR-80
Damper Type: Volume Control - Round
Material: Stainless Steel
Blade Type: Single Thickness -Single Action
Model: VSS-182
Damper Type: Volume Control - Steel
Material: Stainless Steel
Blade Type: Single Thickness -Parallel / Opposed Action
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